Motor-vehicle with three axles.



A. E. BRILLI. MOTOR VEHICLE WITH THREE Ams.

APPLIUATIOH FILED HOV. 7, 1,907.

Patented Mar. 23, 1909.

A. E. BRILLIB';

MOTOR VEHICLE WITH THREE AXLES.

' APPLICATION FILED NOV. 7, 1907.

T AAUGUSTE EUGENE BRILLI, OF PARIS, FRANCE, ASSIGNOR TO SOCIT ANONYMEDES AUTO- specification.

Figs. 2 and 3 are a common center.

lBRILLI, kc itizen ofthe Re the driving wheels,

UNITED STATES PATENT -oEEIcE.,.

MOBILES EUGENE BRILLIE, oF PARIS, FRANCE.

' Moron-VEHICLE wrrn THREEAxLEs.

No. 915,733. Patentes March 23, 1909.

Application led November 7, 1907. Serial No. 401,103.

that I, AUGUSTE EUGENE? ublic of France, i residing at BoulevarcPereira, Paris,I France, have invented certain new and usefulImprovements in Motor-Vehicles 'with Three Axles, of which the followingis a Specification of Letters Patent.

ance levers o-n intervene to transfer a por"- t'ion of the force due tothe displacement of the rear axle h to the springs of the intermef diateaxle 'L'. In the same way the back s rings are affected by thedisplacements of` tie intermediate axle. *when thel balance arm n-ooscillates, the springs which it constrains are inclined in accordancewiththe vertical displacement of the links connecting them to thebalance arm; if the springs were rigidly securedto the axles, the latterwould be inclined at the same time. Under these conditions it is easy tosee that if a single wheel (a back one for example) were vertically dislaced by encountering an obstacle, the oscil atory movements of thesprings and of the balance' lever on the corresponding side would becounteracted -by the axles, which'are assumed to be rigidly secured attheir other ends to springs which resist the displacement, the wheel notbeing displaced vertically on .this side. To overcome this dii'iculty,it is found convenient to pivot the wheels to the springs as shown inFig'. 2. In this figure, the pivoted connection r is shown only for theback springs, which, on encoun- 4To all 'whom it may concern.'

Be it known The present invention has for its object an arrangementallowing of the realization of a s1x-wheeled motor vehicle, com risingtwo steering wheels at the rear as we l as two inI front. The annexeddrawings' show by way of example one form of carrying out vthearrangement. Y

Figure 1 shows the vehicle in elevation. part longitudinal sections, and:-Fig. 4 is a plan. y

The fore part of the lVehicle has nothing peculiar in its arrangement.

In the figures under consideration, the motor a placed in fronttransmits its motion to the driving wheels b and c by means of a cardanshaft d and differential gearinge carrying at its two extremitiespinions which gear with toothed drums made integral with l the positionof the axle being constrained by beams f pivotally connected at g to afixed point on the chassis. The system herein proposed may alternativelycomprise yany other transmission arran ement.

T e chief features of the invention relate to :-1. The connectioncontrivance between the Suspenders of the rear axle h and that of thedrivingl axle-'L to allow of the wheels adapting t emselves to theirregularities of the 'ground without overstraining the springs. 2. heconnecting arran ements between thesteerin pivots (3, 4) 0I the backwheels and those 1, 2) ofthe front wheels to direct the axles of thefour steering wheels toward front springs by reason of the difference inlength ofthe arms n and o of thebalance-lever; but the connection canbel equally well applied 4to the intermediate axle i'. The pivotalconnection referred to is similar yfor the springs at both sides of thevehicle and hence only one such connection, 1", has been shown in thedrawing. The rear .axle h not being constrained by the springs is in astate of un stable equilibrium and tends to oscillate about its pivots rtherefore it is necessary for this axle to be secured to the chassis byconnecting links to maintain it in position. One of the two connectinglinks s2, the right hand one for example, Fig. 3, has at its rearextremity a pivoted connection havin a vertical axis so arranged thatthe midd e plane The twin rods c de ending from the rear ends of thecentral springs and the twin fronty rods m of the rear springs arepivotally attached at their lower ends to the twoextremities of ahorizontal balance-lever n-o. This balance-lever has two unequal arms nodesigned to put a greater load on the driving axle z' than on the rearkaxle h. The effect of this contrivanceis that if the back wheels r sfor example are jolted in assing over an obstacle (stone, ridge, etc.),t e balof the axle shall in it's vertical dis lacements 'i teringirregularities incline more 'than the the Itpivot '(3)'of the wheel r.

' following arrangementsz-Instea of having on the same axle, thetwosprings pivoted at r', one of the two 'springs could be pivoted and theothery rigidly mounted.

To effect the connection ofthe axles of the frontiandrear wheel'a use ismade of the following arrangement: The pivot (2) carries a transverse-lever (5) -which is vcontrolled by the steeringk ear (7, 8). Thisllever bythe jointiv)- and k` (9) yis connected to a lever (10),securedona cross shaft (11). This .shaft carries a second lever (12)which by vmeans of a link-(13) constrains the movements of the leverv(14) madeintegrally with 4The pivots (1',v `2) o the two front wheels p,g, being connected by a link (15), wheels, by a link (16), it is seenthat the four wheels are interconnected in such a manner that theirjournals would meet in a common centerv point (z), situated upontheaxis'of the drivingwheels. In order to effect the connection in such away'as. to cause convergence of the journals, the angle of displacementof each sy indle not being the same, the levers (10) an (12) secured tothe shaft (11) are inclined to one another at a certain angle,characterized by the fact that Vthe lower piv- (12) which and those ofthe back` oted connection of the lever (1 0) governed by the forwardlink (9) is behind that of the lever governs the rearward link (18.)

I claim.

In a motor vehicle, the combination'witha pair of'front' steering wheelsand a pair of rear steering wheels;H of a pair of intermediate drivingWheels, sprin Suspenders for the driving and steering w eels,connections between said spring suspenders whereby`a p0rtion oftheforcevdue to vertical displacement of one pair of wheels is transmittedto the spring ofpanother pair of wheels, a pivotal connection betweenone of the said airs of wheels and its spring sus ender, an means formaintaining the equ' lbrium of said last mentioned pair of. wheels, saidmeans comprislng a pair of links pivoted to a commonpoint, oneofsaidlinks .having its free end connected by a vertical axis to theWheel axle near one wheel and the free end of the other link beinconnected by a horizontal axis to the whee axle near the other wheel.

In testimony whereof I have aixed my signature in presence of twowitnesses.

AUGUSTE EUGENE BRILLI.

Witnesses:

HENRI Morena, Lou-rs GARDET.

